94 BULLETIN 100, UNITED STATES NATIONAL MUSEUM. 



ous small testes contained in them commonly lie in the part next to 

 the mantle, crowding the eggs to the part next to the branchial sac, 

 as in many other related species. 



The two specimens in the collection are from these localities: 



No. 116. Station D5174 (off Jolo Light, 20 fathoms, coarse sand, Mar. 5, 



190S), (Cat. No. G020, U.S.N.M.). 

 No. 112. Station D5144 (off Jolo Light, 19 fathoms, coral sand, Feb. 14. 



190S), (Cat. No. G019, U.S.N.M.). 



Sluiter's type of this species, with the description and figures of 

 which these specimens agree well in most characters, was also from 

 the Philippine region (latitude, 6° V 30" N.j longitude, 120° 26' E., 

 1G-23 meters). 



PANDOCIA AURATA (Quoy and Gairaard), 1834. 



Plate 25, figs. 5 % and 6. 



1834. Ascidia aurata Quoy and Gaimakd, Voyage Decouv. Astrolabe, Zool., 

 vol. 3, p. 559, pi. 3. 



1881. Polycarpa sulcata Hebdman, Proc. Roy. Soc. Edinburgh, vol. 11, p. 73. 



1882. Polycarpa sulcata Herdman, Rep. Voy. Challenger, Tunicata, vol. 6, 



p. 159, pi. 23, figs. 9-13. 

 18S4. Polycarpa sulcata v. Dkasche, Denk. Akad. Wiss. Wien, vol. 48, 



p. 379, pi. 6, fig. 12 ; pi. 7, figs. 1, 2, and 2a. 

 1S85. Polycarpa sulcata Traustedt, Vidensk. Meddel. Nat. For. Kjoben- 



havn, ann. 1884, p. 48. 



1890. Styela psoloessa Seuiter, Natuurk. Tijdschr. Neder. Ind., vol. 50, 



p. 339. 



1891. Styela psoloessa+ Polycarpa sulcata Herdman, Journ. Linn. Soc. 



London, Zool., vol. 23, pp. 583, 5S5. 

 1S95. Styela (Polycarpa) pneumonodes Sluiter, Denkschr. med.-nat. Gesell. 

 Jena, vol. 8, p. 179, pi. 10, figs. 1-3. 



1898. Polycarpa. aurata Herdman, Ann Mag. Nat. Hist., ser. 7, vol. 1, 



p. 445. 



1899. Polycarpa aurata Herdman, Catalogue Australian Museum, Sydney, 



No. 17, pp. 51, 110. 

 1902. Ascidia aurata Willey, Zool. Results on Material from New Britain, 

 New Guinea, etc., p. 712. 



1904. Styela aurata Sluiter, Si&o#a-Exped., vol. 56a, p. 57, pi. 7, fig. 16. 

 190G. Polycarpa aurata Herdman, Ceylon Pearl Oyster Fisheries. Supple- 

 mentary Rep., No. 39, p. 318, pi. 5, figs. 1-6. 



1905. Polycarpa pedunculata Pizon (not Heller, 1878), Rev. Suisse 



Zoologique, vol. 16, p. 216, pi. 12, figs. 21-24. 

 1909. Pandocia aurata +P. pizoni (new name for P. pedunculata) Hart- 

 meyer, Bronu's Tier-reich, vol. 3, suppl., pp. 1363 and 1484. 



Body normally of peculiar and characteristic form, tapering at 

 the anterior end, broad and rounded at the posterior end; usually 

 but not always much compressed from side to side, and usually hav- 

 ing the longitudinal body axis curved in about half a circle, so that 

 the anterior end, having the branchial aperture at its tip, points di- 



